[runtime] Migrate Object.getOwnPropertySymbols to C++.

[runtime] Migrate Object.getOwnPropertySymbols to C++.

The Object.getOwnPropertySymbols() calls into C++ at least once on every
possible path, so no point in having the JavaScript wrapper.

Drive-by-cleanup: Also move Symbol.prototype creation to C++ as well.

R=yangguo@chromium.org

Committed: https://crrev.com/489e7e391525b2830fa45fce222f1e4695073fb2
Cr-Commit-Position: refs/heads/master@{#33318}

[Benedikt Meurer, 2016-01-15 09:27:28]

Hey Yang,

Simple refactoring.
Please take a look.

Thanks,
Benedikt

[Yang, 2016-01-15 09:31:48]

On 2016/01/15 09:27:28, Benedikt Meurer wrote:
> Hey Yang,
> 
> Simple refactoring.
> Please take a look.
> 
> Thanks,
> Benedikt

lgtm.

[Yang, 2016-01-15 09:32:08]

On 2016/01/15 09:31:48, Yang wrote:
> On 2016/01/15 09:27:28, Benedikt Meurer wrote:
> > Hey Yang,
> > 
> > Simple refactoring.
> > Please take a look.
> > 
> > Thanks,
> > Benedikt
> 
> lgtm.

Still baffled that Javascript has this to begin with.

[Benedikt Meurer, 2016-01-15 09:50:07]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-01-15 09:50:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1587153003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1587153003/1

[commit-bot: I haz the power, 2016-01-15 09:51:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-15 09:52:33]

Description was changed from

==========
[runtime] Migrate Object.getOwnPropertySymbols to C++.

The Object.getOwnPropertySymbols() calls into C++ at least once on every
possible path, so no point in having the JavaScript wrapper.

Drive-by-cleanup: Also move Symbol.prototype creation to C++ as well.

R=yangguo@chromium.org
==========

to

==========
[runtime] Migrate Object.getOwnPropertySymbols to C++.

The Object.getOwnPropertySymbols() calls into C++ at least once on every
possible path, so no point in having the JavaScript wrapper.

Drive-by-cleanup: Also move Symbol.prototype creation to C++ as well.

R=yangguo@chromium.org

Committed: https://crrev.com/489e7e391525b2830fa45fce222f1e4695073fb2
Cr-Commit-Position: refs/heads/master@{#33318}
==========

[commit-bot: I haz the power, 2016-01-15 09:52:34]

Patchset 1 (id:??) landed as
https://crrev.com/489e7e391525b2830fa45fce222f1e4695073fb2
Cr-Commit-Position: refs/heads/master@{#33318}